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The Sinclair ZX Spectrum was a considerably popular personal computer during the 1980s. Developed in Britain, it is often credited for popularizing use of the personal computer in Europe. It featured a screen resolution of 256 by 192 colored pixels (unprecedented at the time for a household computer). It was also known for its multifunction rubber...
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Techopedia explains Laptop Security

Laptop security is in some ways a response to a significant trend in IT-related theft. Some estimates from venues like PCMag estimate that over 12,000 laptops are stolen just from U.S. airports in a given year. That has led companies to offer a range of security products for laptop security for devices that are ultimately portable and thus, relatively easy to steal.

Simple lock-and-key systems prevent the physical theft of laptops from public locations. Other types of laptop security tools involve tracking devices, where laptop owners can track the movement of their devices if they are stolen, like car owners using vehicle locators such as LoJack. In addition, some companies offer more sophisticated laptop security tools. For instance, Intel offers antitheft security technology with immediate shutdown features that make laptops less accessible to thieves. All of these types of protection fall into the general category of laptop security.